<template>
  <div>
    <el-container class="home-container">
      <el-header>
        <div id="bobo">
          <img src="../assets/heima.png" alt="" />
          <span>电商后台管理系统</span>
          <el-button type="info" @click="logout">退出</el-button>
        </div>
      </el-header>
      <el-container>
        <el-aside width="isCollapse ? '64px : '200px'">
          <div class="toggle-button" @click="toggleCollapse">|||</div>
          <el-menu
            background-color="#333744"
            text-color="#fff"
            active-text-color="#409EFF"
            :unique-opened="true"
            :collapse="isCollapse"
            :collapse-transition="false"
            router
            :default-active="activePath"
          >
            <el-submenu
              :index="item.id + ''"
              v-for="item in menulist"
              :key="item.id"
            >
              <template slot="title">
                <i :class="iconObj[item.id]"></i
                ><span>{{ item.authName }}</span>
              </template>
              <el-menu-item
                :index="'/' + subItem.path"
                v-for="subItem in item.children"
                :key="subItem.id"
                @click="saveNavState('/' + subItem.path)"
              >
                <template slot="title">
                  <i class="el-icon-menu"></i>
                  <span>
                    {{ subItem.authName }}
                  </span>
                </template>
              </el-menu-item>
            </el-submenu>
          </el-menu>
        </el-aside>
        <el-main>
          <router-view></router-view>
        </el-main>
      </el-container>
    </el-container>
  </div>
</template>

<script>
export default {
  data() {
    return {
      menulist: [],
      iconsObj: [
        { '125': 'iconfont icon-user' },
        { '103': 'iconfont icon-tijikongjian' },
        { '101': 'iconfont icon-shangpin' },
        { '102': 'iconfont icon-danju' },
        { '145': 'iconfont icon-baobian' }
      ],
      isCollapse: false,
      activePath: ''
    }
  },
  created() {
    this.getMenuList()
    this.activePath = window.sessionStorage.getItem('activePath')
  },
  methods: {
    logout() {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    async getMenuList() {
      const { data: res } = await this.$http.get('menus')
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.menulist = res.data
      console.log(res)
    },
    toggleCollapse() {
      this.isCollapse = !this.isCollapse
    },
    saveNavState(activePath) {
      window.sessionStroage.setItem('activePath', activePath)
      this.activePath = activePath
    }
  }
}
</script>

<style lang="less" scoped>
.home-container {
  height: 100%;
}
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space between;
  padding-left: 0;
  align-items: center;
  color: white;
  font-size: 20px;
  .bobo {
    display: flex;
    align-items: center;
    span {
      margin-left: 15px;
    }
  }
}
.el-aside {
  background-color: #333744;
  .el-menu {
    border-right: none;
  }
}
.el-main {
  background-color: #eaedf1;
}
.iconfont {
  margin-right: 10px;
}
.toggle-button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>
